Algebra.Com's Answer #820559 by ikleyn(52797)![\"\"](\"/images/stars/stars-13.gif\")  
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document.write( "Of all the coins in Kelly’s piggy bank, 30% are pennies, 15% are nickels,
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document.write( "25% are dimes, and the rest are quarters. If the total value of all the quarters is $60,
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document.write( "what is the total value of all the coins in Kelly’s piggy bank?
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document.write( "The number of quarters is  = 240.\r\n" );
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document.write( "Notice that quarters are 100% - 30% - 15% - 25% = 30% = 0.3 of the number of all coins in the bank. \r\n" );
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document.write( "The number of pennies is the same 30% of coins - - - it means that the number of pennies is 240 coins.\r\n" );
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document.write( "Next, the number of nickels is 15% of coins, i.e. half of 240 coins, which is 120 coins.\r\n" );
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document.write( "Finally, the number of dimes is 25% of coins, or  of the number of pennies, i.e.  = 200 coins.\r\n" );
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document.write( "Now we are in position to calculate the total amount, which is\r\n" );
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document.write( " 1*240 + 5*120 + 10*200 + 6000 = 8840 pennies = $88.40. ANSWER\r\n" );
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document.write( "Solved.\r
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